596  
CDUS46 KMTR 020830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT SUN APR 02 2023  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR APRIL 1 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 3:30 PM 85 1966 67 -3 77  
2021  
MINIMUM 37 5:03 AM 29 1976 43 -6 41  
AVERAGE 51 55 -4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1996 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.06 -0.06 0.00  
SINCE OCT 1 20.71 13.29 7.42 11.31  
SINCE JAN 1 10.79 8.06 2.73 0.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 10 4 6  
MONTH TO DATE 14 10 4 6  
SINCE MAR 1 477 368 109 307  
SINCE JUL 1 2537 2309 228 2072  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 69  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2000  
MINIMUM TEMPERATURE (F) 43 30 1976  
 
SUNRISE AND SUNSET  
APRIL 2 2023.........SUNRISE 6:51 AM PDT SUNSET 7:31 PM PDT  
APRIL 3 2023.........SUNRISE 6:50 AM PDT SUNSET 7:32 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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